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If x= 3 - √7, then …

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If x= 3 - √7, then find the value of (x) ^2

Posted by Jahnvi Kv 5 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 4 months ago

x= 3 - √7

(x) ²=( 3 - √7)

= 3² +√7² - 2 (3) √7

= 9 + 7 - 6 √7

= 16 - 6√7

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